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Related papers: The SLAC Polarized Electron Source

200 papers

We present an analytical and numerical study of multiple-laser QED cascades induced with linearly polarised laser pulses. We analyse different polarisation orientations and propose a configuration that maximises the cascade multiplicity and…

Plasma Physics · Physics 2016-12-21 Marija Vranic , Thomas Grismayer , Ricardo A. Fonseca , Luis O. Silva

The full exploitation of the physics potential of an International Linear Collider (ILC) requires the development of a polarized positron beam. New concepts of polarized positron sources are based on the development of circularly polarized…

Instrumentation and Detectors · Physics 2009-11-11 Ralph Dollan , Karim Laihem , Andreas Schaelicke

The LCLS began operations in 2009, utilizing SLAC's normal-conducting (NC) LINAC, which features control equipment dating back to the 1960s and 1980s. The Linac Electronics Modernization Plan (LEMP) aims to replace the legacy control…

The high-frequency peaked BL Lac object 1ES 0229+200 (z = 0.14) was first detected in very high energy (VHE, E > 100 GeV) $\gamma$-rays by the H.E.S.S. (High Energy Stereoscopic System) collaboration in 2006. No flux variability was…

High Energy Astrophysical Phenomena · Physics 2019-08-15 Gabriele Cologna , Mahmoud Mohamed , Stefan J. Wagner , Alicja Wierzcholska , Carlo Romoli , Omar Kurtanidze

We characterize spin-polarized lasing in a two-dimensional photonic lattice fabricated from a GaAs/InGaAs semiconductor microcavity sample. The lattice is defined by a staggered arrangement of rounded rectangular micrometric mesas that…

An overview of the CLAS12 detector is presented and the initial physics program after the energy-doubling of the Jefferson Lab electron accelerator. Construction of the 12 GeV upgrade project has started October 2008. A broad program has…

High Energy Physics - Phenomenology · Physics 2008-11-07 Volker D. Burkert

The planned upgrade of the LHC accelerator at CERN, namely the high luminosity (HL) phase of the LHC (HL-LHC foreseen for 2023), will result in a more intense radiation environment than the present tracking system was designed for. The…

Instrumentation and Detectors · Physics 2015-12-09 Timo Peltola

The LHC with its unprecedented energy offers unique opportunities for groundbreaking measurements in p+p, p+A and A+A collisions even beyond the baseline experimental designs. ALICE is setting up a program of detector upgrades, which could…

Instrumentation and Detectors · Physics 2019-08-13 Thomas Peitzmann

The aim of the CP-PACS project was to develop a massively parallel computer for performing numerical research in computational physics with primary emphasis on lattice QCD. The CP-PACS computer with a peak speed of 614 GFLOPS with 2048…

High Energy Physics - Lattice · Physics 2015-06-25 Y. Iwasaki

The SLAC mega-electron-volt (MeV) ultrafast electron diffraction (UED) instrument is a powerful "electron camera" for the study of time-resolved, ultrafast atomic & molecular dynamics in chemical and solid-state systems. The UED laser…

Accelerator Physics · Physics 2019-10-30 L. Ma , X. Shen , K. Kim , D. Brown , M. D'Ewart , B. Hong , J. Olsen , S. Smith , D. Van Winkle , E. Williams , S. Weathersby , X. Wang , A. Young , J. Frisch

H.E.S.S. is one of the most sensitive instruments in the very high energy (VHE; > 100 GeV) gamma-ray domain and has revealed many new sources along the Galactic Plane. After the successful first VHE Galactic Plane Survey of 2004, H.E.S.S.…

High Energy Astrophysical Phenomena · Physics 2019-08-14 O. Tibolla , R. C. G. Chaves , W. Domainko , O. de Jager , S. Kaufmann , S. Wagner , N. Komin , K. Kosack , A. Fiasson , M. Renaud

Side Channel Analysis (SCA) relaxes the black-box assumption of conventional cryptanalysis by incorporating physical measurements acquired during cryptographic operations. Electro-magnetic (EM) emissions of a chip during computations often…

Cryptography and Security · Computer Science 2026-04-28 Elie Bursztein , Michael Gruber , Karel Král , Jean-Michel Picod , Matthias Probst , Georg Sigl

The Precision Proton Spectrometer (PPS) started operating in 2016 and has collected more than 110 fb$^{-1}$ of data over the course of the LHC Run 2, now fully available for physics analysis. This contribution covers the key features of the…

High Energy Physics - Experiment · Physics 2021-07-20 Fabrizio Ferro

The strong coupling alpha_s is a fundamental parameter of the Standard Model. In comparison to parameters like alpha_em and M_Z it is relatively poorly known. However the precision of alpha_s measurements has improved dramatically in recent…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. J. Stirling

During the summer and fall of 2018 the Cornell High Energy Synchrotron Source (CHESS) is undergoing an upgrade to increase high-energy flux for x-ray users. The upgrade requires replacing one-sixth of the Cornell Electron Storage Ring…

Accelerator Physics · Physics 2019-02-27 J. Shanks , J. Barley , S. Barrett , M. Billing , G. Codner , Y. Li , X. Liu , A. Lyndaker , D. Rice , N. Rider , D. L. Rubin , A. Temnykh , S. T. Wang

We report high steady-state nuclear polarization of 1 torr $^3$He gas nuclei via metastability-exchange optical pumping at magnetic fields above 2 T. The introduction of highly polarized $^3$He gas into Brookhaven's Electron Beam Ion Source…

Instrumentation and Detectors · Physics 2019-04-15 J. D. Maxwell , J. Alessi , G. Atoian , E. Beebe , C. S. Epstein , R. G. Milner , M. Musgrave , A. Pikin , J. Ritter , A. Zelenski

The ATLAS detector at the LHC is equipped with dedicated systems designed for the detection of forward protons produced in diffractive and photon-induced processes. These detectors significantly extend the ATLAS physics reach. Recent…

High Energy Physics - Experiment · Physics 2022-11-24 Rafał Staszewski

Measurement of the tau lepton polarization in \eett\ is an important electro-weak measurement at ILC and other future electron-positron colliders. In this paper we discuss several methods to extract polarimeter information for \eett\ events…

High Energy Physics - Experiment · Physics 2022-03-16 Keita Yumino , Daniel Jeans

Full polarization measurements of 1665 and 1667-MHz OH masers at sites of massive star formation have been made with the Parkes 64-m radio telescope. Here we present the resulting spectra for 104 northerly sources. For more than 20 masers…

Astrophysics of Galaxies · Physics 2014-02-12 J. L. Caswell , J. A. Green , C. J. Phillips

We describe a study of high-energy Compton beam polarimeters for the future e+e- linear collider machine TESLA. A segment of the beam delivery system has been identified, which is aligned with the e+e- collision axis and which has a…

High Energy Physics - Experiment · Physics 2007-05-23 V. Gharibyan , N. Meyners , K. P. Schuler